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Finding the Fourth Proportional to 174.64, 261.98 and 93.48

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Solution

The fourth proportional to 174.64, 261.98 and 93.48 is: 140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.64 : 261.98 = 93.48 : x
  2. Step 2: Convert to fraction form
    174.64/261.98 = 93.48/x
  3. Step 3: Cross multiply
    174.64x = 261.98 × 93.48
  4. Step 4: Simplify right side
    174.64x = 24,489.89
  5. Step 5: Solve for x
    x = 24,489.89/174.64
  6. Step 6: Final answer
    x = 140.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.